package github.aloofcoder.gulimall.product.exception;

import github.aloofcoder.common.exception.BizCodeEnum;
import github.aloofcoder.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

@Slf4j
@RestControllerAdvice(basePackages = "github.aloofcoder.gulimall.product")
public class GulimalllExceptionControllerAdvice {

    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleValidException(MethodArgumentNotValidException e) {
        log.error("数据校验出现问题{}，异常类型{}", e.getMessage(), e.getClass());
        BindingResult bindingResult = e.getBindingResult();
        Map<String, String> errMap = new HashMap<>(bindingResult.getFieldErrors().size());
        bindingResult.getFieldErrors().forEach(fieldError -> {
            errMap.put(fieldError.getField(), fieldError.getDefaultMessage());
        });
        return R.error(BizCodeEnum.VALID_EXCEPTION.getCode(), BizCodeEnum.VALID_EXCEPTION.getMsg()).put("data", errMap);
    }

    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable e) {
        e.printStackTrace();
        log.error("数据校验出现问题{}，异常类型{}", e.getMessage(), e.getClass());
        return R.error(BizCodeEnum.UNKNOW_EXCEPTION.getCode(), BizCodeEnum.UNKNOW_EXCEPTION.getMsg());
    }
}
